EP0916968A3 - FM-CW Radar system - Google Patents

FM-CW Radar system Download PDF

Info

Publication number
EP0916968A3
EP0916968A3 EP98121194A EP98121194A EP0916968A3 EP 0916968 A3 EP0916968 A3 EP 0916968A3 EP 98121194 A EP98121194 A EP 98121194A EP 98121194 A EP98121194 A EP 98121194A EP 0916968 A3 EP0916968 A3 EP 0916968A3
Authority
EP
European Patent Office
Prior art keywords
transmission
transmitting
reception
unit
receiving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98121194A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0916968A2 (en
Inventor
Tomoaki Saryo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0916968A2 publication Critical patent/EP0916968A2/en
Publication of EP0916968A3 publication Critical patent/EP0916968A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers
    • G01S7/354—Extracting wanted echo-signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/345—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/034—Duplexers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers
    • G01S7/356—Receivers involving particularities of FFT processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
EP98121194A 1997-11-14 1998-11-13 FM-CW Radar system Withdrawn EP0916968A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9331216A JP3011164B2 (ja) 1997-11-14 1997-11-14 レーダ装置
JP33121697 1997-11-14
JP331216/97 1997-11-14

Publications (2)

Publication Number Publication Date
EP0916968A2 EP0916968A2 (en) 1999-05-19
EP0916968A3 true EP0916968A3 (en) 1999-11-03

Family

ID=18241203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121194A Withdrawn EP0916968A3 (en) 1997-11-14 1998-11-13 FM-CW Radar system

Country Status (3)

Country Link
US (1) US6087980A (ja)
EP (1) EP0916968A3 (ja)
JP (1) JP3011164B2 (ja)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9921042D0 (en) 1999-09-07 1999-11-10 Stove George C Radar apparatus for spectrometric analysis and a method of performing spectrometric analysis of a substance
JP4111667B2 (ja) * 2000-09-26 2008-07-02 富士通テン株式会社 Ｆｍ−ｃｗレーダ装置
JP3473577B2 (ja) * 2000-12-19 2003-12-08 日本電気株式会社 レーダー装置
JP3995890B2 (ja) 2001-03-05 2007-10-24 株式会社村田製作所 レーダ
US7027777B2 (en) * 2001-10-30 2006-04-11 Matsushita Electric Industrial Co., Ltd. High frequency switch and high frequency radio communication apparatus
JP2003172776A (ja) * 2001-12-10 2003-06-20 Fujitsu Ten Ltd レーダ装置
JP4204358B2 (ja) 2003-03-20 2009-01-07 富士通テン株式会社 送受信共用ｆｍ−ｃｗレーダ装置及びその信号処理方法
JP4459584B2 (ja) * 2003-09-26 2010-04-28 富士通テン株式会社 レーダ装置および距離算出方法
DE10351067A1 (de) * 2003-10-31 2005-06-02 Conti Temic Microelectronic Gmbh Verfahren und Vorrichtung zur Entfernungsmessung
US7239266B2 (en) * 2004-08-26 2007-07-03 Honeywell International Inc. Radar altimeter
JP2006078388A (ja) * 2004-09-10 2006-03-23 Fujitsu Ten Ltd レーダ装置
JP2007071751A (ja) * 2005-09-08 2007-03-22 Shimada Phys & Chem Ind Co Ltd レーダー装置
US7791530B2 (en) 2006-01-05 2010-09-07 Autoliv Asp, Inc. Time duplex apparatus and method for radar sensor front-ends
US7898344B2 (en) * 2006-09-12 2011-03-01 Fujitsu Limited Phase-locked oscillator and multi-radar system using same
JP5162384B2 (ja) * 2008-09-10 2013-03-13 株式会社ホンダエレシス レーダ装置
US8866667B2 (en) 2012-02-22 2014-10-21 Honeywell International Inc. High sensitivity single antenna FMCW radar
US9297885B2 (en) 2012-07-27 2016-03-29 Honeywell International Inc. Method of system compensation to reduce the effects of self interference in frequency modulated continuous wave altimeter systems
US11539392B2 (en) 2012-07-30 2022-12-27 Photonic Systems, Inc. Same-aperture any-frequency simultaneous transmit and receive communication system
US9935680B2 (en) 2012-07-30 2018-04-03 Photonic Systems, Inc. Same-aperture any-frequency simultaneous transmit and receive communication system
US10374656B2 (en) 2012-07-30 2019-08-06 Photonic Systems, Inc. Same-aperture any-frequency simultaneous transmit and receive communication system
KR102207567B1 (ko) * 2013-11-13 2021-01-26 현대모비스 주식회사 차량용 레이더 및 이의 탐지 성능 개선 방법
KR101494778B1 (ko) * 2013-12-27 2015-02-23 국방과학연구소 주파수 마스킹 기법을 이용한 표적 식별 장치 및 그 방법
US9660605B2 (en) 2014-06-12 2017-05-23 Honeywell International Inc. Variable delay line using variable capacitors in a maximally flat time delay filter
US10018716B2 (en) 2014-06-26 2018-07-10 Honeywell International Inc. Systems and methods for calibration and optimization of frequency modulated continuous wave radar altimeters using adjustable self-interference cancellation
US20160238427A1 (en) * 2015-02-13 2016-08-18 Honeywell International Inc. Electronic level gauge having improved noise rejection and power transmission
EP3059559A1 (en) * 2015-02-23 2016-08-24 Siemens Aktiengesellschaft FMCW radar system
CN112204421B (zh) * 2018-06-07 2023-06-16 三菱电机株式会社 雷达装置、控制电路以及程序存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0795761A2 (en) * 1996-03-12 1997-09-17 Fujitsu Limited Radar apparatus with a simplified construction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374478A (en) * 1966-12-07 1968-03-19 Spectronics Inc Radar signaliing system with reduced clutter effect
JPS57125863A (en) * 1981-01-29 1982-08-05 Mitsubishi Electric Corp Synthesized aperture radar
JPS5979176A (ja) * 1982-10-27 1984-05-08 Fujitsu Ten Ltd Ｆｍ−ｃｗレ−ダ
JPS62112085A (ja) * 1985-11-11 1987-05-23 Yaskawa Electric Mfg Co Ltd マイクロ波距離測定装置
JP3090215B2 (ja) * 1990-11-30 2000-09-18 防衛庁技術研究本部長 移動全二重無線装置の送受共用回路
JPH05215842A (ja) * 1992-02-06 1993-08-27 Fujitsu Ten Ltd Ｆｍ−ｃｗレーダ装置
JP2759576B2 (ja) * 1992-02-27 1998-05-28 本田技研工業株式会社 Ｆｍレーダ装置
JP2748063B2 (ja) * 1992-03-19 1998-05-06 本田技研工業株式会社 時分割ｆｍレーダシステム
JPH0812242B2 (ja) * 1993-03-17 1996-02-07 日本電気株式会社 レーダ装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0795761A2 (en) * 1996-03-12 1997-09-17 Fujitsu Limited Radar apparatus with a simplified construction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MCGREGOR J A ET AL: "SWITCHING SYSTEM FOR SINGLE ANTENNA OPERATION OF AN S-BAND FMCW RADAR", IEE PROCEEDINGS: RADAR, SONAR & NAVIGATION, vol. 141, no. 4, 1 August 1994 (1994-08-01), pages 241 - 248, XP000458143, ISSN: 1350-2395 *

Also Published As

Publication number Publication date
US6087980A (en) 2000-07-11
JPH11148972A (ja) 1999-06-02
EP0916968A2 (en) 1999-05-19
JP3011164B2 (ja) 2000-02-21

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